[7d4fbcd] | 1 | #include "owl.h" |
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| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | |
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[b2b0773] | 5 | /* initialize an fmtext with no data */ |
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[5789230] | 6 | void owl_fmtext_init_null(owl_fmtext *f) |
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| 7 | { |
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[9866c3a] | 8 | f->textlen = 0; |
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| 9 | f->bufflen = 5; |
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| 10 | f->textbuff = owl_malloc(5); |
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| 11 | f->textbuff[0] = 0; |
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| 12 | f->default_attrs = OWL_FMTEXT_ATTR_NONE; |
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| 13 | f->default_fgcolor = OWL_COLOR_DEFAULT; |
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[c55ad84] | 14 | f->default_bgcolor = OWL_COLOR_DEFAULT; |
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[7d4fbcd] | 15 | } |
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| 16 | |
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[a387d12e] | 17 | /* Clear the data from an fmtext, but don't deallocate memory. This |
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| 18 | fmtext can then be appended to again. */ |
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| 19 | void owl_fmtext_clear(owl_fmtext *f) |
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| 20 | { |
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[9866c3a] | 21 | f->textlen = 0; |
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| 22 | f->textbuff[0] = 0; |
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| 23 | f->default_attrs = OWL_FMTEXT_ATTR_NONE; |
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| 24 | f->default_fgcolor = OWL_COLOR_DEFAULT; |
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[c55ad84] | 25 | f->default_bgcolor = OWL_COLOR_DEFAULT; |
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[7d4fbcd] | 26 | } |
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| 27 | |
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[a387d12e] | 28 | void _owl_fmtext_realloc(owl_fmtext *f, int newlen) /*noproto*/ |
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| 29 | { |
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| 30 | if(newlen + 1 > f->bufflen) { |
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[9866c3a] | 31 | f->textbuff = owl_realloc(f->textbuff, newlen + 1); |
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[a387d12e] | 32 | f->bufflen = newlen+1; |
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| 33 | } |
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| 34 | } |
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| 35 | |
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[c1522ec] | 36 | int owl_fmtext_is_format_char(gunichar c) |
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[9866c3a] | 37 | { |
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| 38 | if ((c & ~OWL_FMTEXT_UC_ATTR_MASK) == OWL_FMTEXT_UC_ATTR) return 1; |
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| 39 | if ((c & ~(OWL_FMTEXT_UC_ALLCOLOR_MASK)) == OWL_FMTEXT_UC_COLOR_BASE) return 1; |
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| 40 | return 0; |
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| 41 | } |
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[b2b0773] | 42 | /* append text to the end of 'f' with attribute 'attr' and color |
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| 43 | * 'color' |
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| 44 | */ |
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[e19eb97] | 45 | void owl_fmtext_append_attr(owl_fmtext *f, const char *text, char attr, short fgcolor, short bgcolor) |
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[5789230] | 46 | { |
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[9866c3a] | 47 | char attrbuff[6]; |
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| 48 | int newlen, a = 0, fg = 0, bg = 0; |
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| 49 | |
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| 50 | if (attr != OWL_FMTEXT_ATTR_NONE) a=1; |
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| 51 | if (fgcolor != OWL_COLOR_DEFAULT) fg=1; |
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| 52 | if (bgcolor != OWL_COLOR_DEFAULT) bg=1; |
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| 53 | |
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| 54 | /* Plane-16 characters in UTF-8 are 4 bytes long. */ |
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| 55 | newlen = strlen(f->textbuff) + strlen(text) + (8 * (a + fg + bg)); |
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[a387d12e] | 56 | _owl_fmtext_realloc(f, newlen); |
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[9866c3a] | 57 | |
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| 58 | /* Set attributes */ |
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[6c171f1] | 59 | if (a) |
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| 60 | strncat(f->textbuff, attrbuff, |
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| 61 | g_unichar_to_utf8(OWL_FMTEXT_UC_ATTR | attr, attrbuff)); |
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| 62 | if (fg) |
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| 63 | strncat(f->textbuff, attrbuff, |
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| 64 | g_unichar_to_utf8(OWL_FMTEXT_UC_FGCOLOR | fgcolor, attrbuff)); |
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| 65 | if (bg) |
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| 66 | strncat(f->textbuff, attrbuff, |
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| 67 | g_unichar_to_utf8(OWL_FMTEXT_UC_BGCOLOR | bgcolor, attrbuff)); |
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[a387d12e] | 68 | |
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[7d4fbcd] | 69 | strcat(f->textbuff, text); |
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[9866c3a] | 70 | |
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| 71 | /* Reset attributes */ |
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| 72 | if (bg) strcat(f->textbuff, OWL_FMTEXT_UTF8_BGDEFAULT); |
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| 73 | if (fg) strcat(f->textbuff, OWL_FMTEXT_UTF8_FGDEFAULT); |
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| 74 | if (a) strcat(f->textbuff, OWL_FMTEXT_UTF8_ATTR_NONE); |
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[7d4fbcd] | 75 | f->textlen=newlen; |
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| 76 | } |
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| 77 | |
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[b2b0773] | 78 | /* Append normal, uncolored text 'text' to 'f' */ |
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[e19eb97] | 79 | void owl_fmtext_append_normal(owl_fmtext *f, const char *text) |
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[5789230] | 80 | { |
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[8fa9562] | 81 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 82 | } |
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| 83 | |
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[1490327] | 84 | /* Append normal, uncolored text specified by format string to 'f' */ |
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[e19eb97] | 85 | void owl_fmtext_appendf_normal(owl_fmtext *f, const char *fmt, ...) |
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[1490327] | 86 | { |
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| 87 | va_list ap; |
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| 88 | char *buff; |
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| 89 | |
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| 90 | va_start(ap, fmt); |
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| 91 | buff = g_strdup_vprintf(fmt, ap); |
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| 92 | va_end(ap); |
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| 93 | if (!buff) |
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| 94 | return; |
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| 95 | owl_fmtext_append_attr(f, buff, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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| 96 | } |
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| 97 | |
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[b2b0773] | 98 | /* Append normal text 'text' to 'f' with color 'color' */ |
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[e19eb97] | 99 | void owl_fmtext_append_normal_color(owl_fmtext *f, const char *text, int fgcolor, int bgcolor) |
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[5789230] | 100 | { |
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[8fa9562] | 101 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, fgcolor, bgcolor); |
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[7d4fbcd] | 102 | } |
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| 103 | |
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[b2b0773] | 104 | /* Append bold text 'text' to 'f' */ |
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[e19eb97] | 105 | void owl_fmtext_append_bold(owl_fmtext *f, const char *text) |
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[5789230] | 106 | { |
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[8fa9562] | 107 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 108 | } |
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| 109 | |
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[b2b0773] | 110 | /* Append reverse video text 'text' to 'f' */ |
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[e19eb97] | 111 | void owl_fmtext_append_reverse(owl_fmtext *f, const char *text) |
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[5789230] | 112 | { |
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[8fa9562] | 113 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 114 | } |
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| 115 | |
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[b2b0773] | 116 | /* Append reversed and bold, uncolored text 'text' to 'f' */ |
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[e19eb97] | 117 | void owl_fmtext_append_reversebold(owl_fmtext *f, const char *text) |
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[5789230] | 118 | { |
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[8fa9562] | 119 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE | OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 120 | } |
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| 121 | |
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[9866c3a] | 122 | /* Add the attribute 'attr' to the default atts for the text in 'f' */ |
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| 123 | void owl_fmtext_addattr(owl_fmtext *f, char attr) |
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[5789230] | 124 | { |
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[7d4fbcd] | 125 | /* add the attribute to all text */ |
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[9866c3a] | 126 | f->default_attrs |= attr; |
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[7d4fbcd] | 127 | } |
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| 128 | |
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[9866c3a] | 129 | /* Set the default foreground color for this fmtext to 'color'. |
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| 130 | * Only affects text that is colored default. |
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[b2b0773] | 131 | */ |
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[5789230] | 132 | void owl_fmtext_colorize(owl_fmtext *f, int color) |
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| 133 | { |
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[9866c3a] | 134 | f->default_fgcolor = color; |
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[8fa9562] | 135 | } |
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| 136 | |
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[9866c3a] | 137 | /* Set the default foreground color for this fmtext to 'color'. |
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| 138 | * Only affects text that is colored default. |
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| 139 | */ |
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[8fa9562] | 140 | void owl_fmtext_colorizebg(owl_fmtext *f, int color) |
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| 141 | { |
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[9866c3a] | 142 | f->default_bgcolor = color; |
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| 143 | } |
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[7d4fbcd] | 144 | |
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[9866c3a] | 145 | /* Internal function. Parse attrbute character. */ |
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| 146 | void _owl_fmtext_update_attributes(gunichar c, char *attr, short *fgcolor, short *bgcolor) /*noproto*/ |
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| 147 | { |
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| 148 | if ((c & OWL_FMTEXT_UC_ATTR) == OWL_FMTEXT_UC_ATTR) { |
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| 149 | *attr = c & OWL_FMTEXT_UC_ATTR_MASK; |
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| 150 | } |
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[6f6330b] | 151 | else if ((c & OWL_FMTEXT_UC_COLOR_BASE) == OWL_FMTEXT_UC_COLOR_BASE) { |
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| 152 | if ((c & OWL_FMTEXT_UC_BGCOLOR) == OWL_FMTEXT_UC_BGCOLOR) { |
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| 153 | *bgcolor = (c == OWL_FMTEXT_UC_BGDEFAULT |
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| 154 | ? OWL_COLOR_DEFAULT |
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| 155 | : c & OWL_FMTEXT_UC_COLOR_MASK); |
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| 156 | } |
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| 157 | else if ((c & OWL_FMTEXT_UC_FGCOLOR) == OWL_FMTEXT_UC_FGCOLOR) { |
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| 158 | *fgcolor = (c == OWL_FMTEXT_UC_FGDEFAULT |
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| 159 | ? OWL_COLOR_DEFAULT |
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| 160 | : c & OWL_FMTEXT_UC_COLOR_MASK); |
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| 161 | } |
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[7d4fbcd] | 162 | } |
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| 163 | } |
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| 164 | |
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[9866c3a] | 165 | /* Internal function. Scan for attribute characters. */ |
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[075ba92] | 166 | void _owl_fmtext_scan_attributes(const owl_fmtext *f, int start, char *attr, short *fgcolor, short *bgcolor) /*noproto*/ |
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[9866c3a] | 167 | { |
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[e19eb97] | 168 | const char *p; |
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[9866c3a] | 169 | p = strchr(f->textbuff, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 170 | while (p && p < f->textbuff + start) { |
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| 171 | _owl_fmtext_update_attributes(g_utf8_get_char(p), attr, fgcolor, bgcolor); |
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| 172 | p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 173 | } |
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| 174 | } |
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| 175 | |
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[b2b0773] | 176 | /* Internal function. Append text from 'in' between index 'start' and |
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[db1af5f] | 177 | * 'stop', inclusive, to the end of 'f'. This function works with |
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| 178 | * bytes. |
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[b2b0773] | 179 | */ |
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[075ba92] | 180 | void _owl_fmtext_append_fmtext(owl_fmtext *f, const owl_fmtext *in, int start, int stop) /*noproto*/ |
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[9866c3a] | 181 | { |
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| 182 | char attrbuff[6]; |
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| 183 | int newlen, a = 0, fg = 0, bg = 0; |
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| 184 | char attr = 0; |
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| 185 | short fgcolor = OWL_COLOR_DEFAULT; |
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| 186 | short bgcolor = OWL_COLOR_DEFAULT; |
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| 187 | |
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| 188 | _owl_fmtext_scan_attributes(in, start, &attr, &fgcolor, &bgcolor); |
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| 189 | if (attr != OWL_FMTEXT_ATTR_NONE) a=1; |
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| 190 | if (fgcolor != OWL_COLOR_DEFAULT) fg=1; |
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| 191 | if (bgcolor != OWL_COLOR_DEFAULT) bg=1; |
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| 192 | |
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| 193 | /* We will reset to defaults after appending the text. We may need |
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| 194 | to set initial attributes. */ |
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| 195 | newlen=strlen(f->textbuff)+(stop-start+1) + (4 * (a + fg + bg)) + 12; |
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[a387d12e] | 196 | _owl_fmtext_realloc(f, newlen); |
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[7d4fbcd] | 197 | |
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[6c171f1] | 198 | if (a) |
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| 199 | strncat(f->textbuff, attrbuff, |
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| 200 | g_unichar_to_utf8(OWL_FMTEXT_UC_ATTR | attr, attrbuff)); |
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| 201 | if (fg) |
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| 202 | strncat(f->textbuff, attrbuff, |
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| 203 | g_unichar_to_utf8(OWL_FMTEXT_UC_FGCOLOR | fgcolor, attrbuff)); |
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| 204 | if (bg) |
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| 205 | strncat(f->textbuff, attrbuff, |
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| 206 | g_unichar_to_utf8(OWL_FMTEXT_UC_BGCOLOR | bgcolor, attrbuff)); |
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[9866c3a] | 207 | |
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[7d4fbcd] | 208 | strncat(f->textbuff, in->textbuff+start, stop-start+1); |
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[9866c3a] | 209 | |
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| 210 | /* Reset attributes */ |
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| 211 | strcat(f->textbuff, OWL_FMTEXT_UTF8_BGDEFAULT); |
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| 212 | strcat(f->textbuff, OWL_FMTEXT_UTF8_FGDEFAULT); |
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| 213 | strcat(f->textbuff, OWL_FMTEXT_UTF8_ATTR_NONE); |
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| 214 | |
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[7d4fbcd] | 215 | f->textbuff[newlen]='\0'; |
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| 216 | f->textlen=newlen; |
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| 217 | } |
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| 218 | |
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[b2b0773] | 219 | /* append fmtext 'in' to 'f' */ |
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[075ba92] | 220 | void owl_fmtext_append_fmtext(owl_fmtext *f, const owl_fmtext *in) |
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[5789230] | 221 | { |
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| 222 | _owl_fmtext_append_fmtext(f, in, 0, in->textlen); |
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| 223 | |
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| 224 | } |
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| 225 | |
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[b2b0773] | 226 | /* Append 'nspaces' number of spaces to the end of 'f' */ |
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[5789230] | 227 | void owl_fmtext_append_spaces(owl_fmtext *f, int nspaces) |
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| 228 | { |
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[7d4fbcd] | 229 | int i; |
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| 230 | for (i=0; i<nspaces; i++) { |
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| 231 | owl_fmtext_append_normal(f, " "); |
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| 232 | } |
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| 233 | } |
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| 234 | |
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[b2b0773] | 235 | /* Return a plain version of the fmtext. Caller is responsible for |
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| 236 | * freeing the return |
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| 237 | */ |
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[075ba92] | 238 | char *owl_fmtext_print_plain(const owl_fmtext *f) |
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[5789230] | 239 | { |
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[5376a95] | 240 | return owl_strip_format_chars(f->textbuff); |
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[e1c4636] | 241 | } |
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| 242 | |
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[9866c3a] | 243 | void _owl_fmtext_wattrset(WINDOW *w, int attrs) /*noproto*/ |
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| 244 | { |
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| 245 | wattrset(w, A_NORMAL); |
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| 246 | if (attrs & OWL_FMTEXT_ATTR_BOLD) wattron(w, A_BOLD); |
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| 247 | if (attrs & OWL_FMTEXT_ATTR_REVERSE) wattron(w, A_REVERSE); |
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| 248 | if (attrs & OWL_FMTEXT_ATTR_UNDERLINE) wattron(w, A_UNDERLINE); |
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| 249 | } |
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[16c6cca] | 250 | |
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| 251 | void _owl_fmtext_update_colorpair(short fg, short bg, short *pair) /*noproto*/ |
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| 252 | { |
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| 253 | if (owl_global_get_hascolors(&g)) { |
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| 254 | *pair = owl_fmtext_get_colorpair(fg, bg); |
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| 255 | } |
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| 256 | } |
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| 257 | |
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| 258 | void _owl_fmtext_wcolor_set(WINDOW *w, short pair) /*noproto*/ |
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| 259 | { |
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| 260 | if (owl_global_get_hascolors(&g)) { |
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| 261 | wcolor_set(w,pair,NULL); |
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[39cff48] | 262 | wbkgdset(w, COLOR_PAIR(pair)); |
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[16c6cca] | 263 | } |
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| 264 | } |
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| 265 | |
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[b2b0773] | 266 | /* add the formatted text to the curses window 'w'. The window 'w' |
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| 267 | * must already be initiatlized with curses |
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| 268 | */ |
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[075ba92] | 269 | void _owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w, int do_search) /*noproto*/ |
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[9866c3a] | 270 | { |
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| 271 | /* char *tmpbuff; */ |
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| 272 | /* int position, trans1, trans2, trans3, len, lastsame; */ |
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| 273 | char *s, *p; |
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| 274 | char attr; |
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[16c6cca] | 275 | short fg, bg, pair; |
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[9866c3a] | 276 | |
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[f2f9314] | 277 | if (w==NULL) { |
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| 278 | owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr."); |
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| 279 | return; |
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| 280 | } |
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| 281 | |
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[9866c3a] | 282 | s = f->textbuff; |
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| 283 | /* Set default attributes. */ |
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| 284 | attr = f->default_attrs; |
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| 285 | fg = f->default_fgcolor; |
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| 286 | bg = f->default_bgcolor; |
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| 287 | _owl_fmtext_wattrset(w, attr); |
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[16c6cca] | 288 | _owl_fmtext_update_colorpair(fg, bg, &pair); |
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| 289 | _owl_fmtext_wcolor_set(w, pair); |
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[7d4fbcd] | 290 | |
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[9866c3a] | 291 | /* Find next possible format character. */ |
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| 292 | p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 293 | while(p) { |
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[c1522ec] | 294 | if (owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
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[9866c3a] | 295 | /* Deal with all text from last insert to here. */ |
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| 296 | char tmp; |
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| 297 | |
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| 298 | tmp = p[0]; |
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| 299 | p[0] = '\0'; |
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[41c9a96] | 300 | if (owl_global_is_search_active(&g)) { |
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[9866c3a] | 301 | /* Search is active, so highlight search results. */ |
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[41c9a96] | 302 | char tmp2; |
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| 303 | int start, end; |
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| 304 | while (owl_regex_compare(owl_global_get_search_re(&g), s, &start, &end) == 0) { |
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[0ed5c57] | 305 | /* Prevent an infinite loop matching the empty string. */ |
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| 306 | if (end == 0) |
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| 307 | break; |
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| 308 | |
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[9866c3a] | 309 | /* Found search string, highlight it. */ |
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| 310 | |
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[41c9a96] | 311 | tmp2 = s[start]; |
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| 312 | s[start] = '\0'; |
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[9866c3a] | 313 | waddstr(w, s); |
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[41c9a96] | 314 | s[start] = tmp2; |
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[9866c3a] | 315 | |
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[987a93c] | 316 | _owl_fmtext_wattrset(w, attr ^ OWL_FMTEXT_ATTR_REVERSE); |
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[16c6cca] | 317 | _owl_fmtext_wcolor_set(w, pair); |
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| 318 | |
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[41c9a96] | 319 | tmp2 = s[end]; |
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| 320 | s[end] = '\0'; |
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| 321 | waddstr(w, s + start); |
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| 322 | s[end] = tmp2; |
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[9866c3a] | 323 | |
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[16c6cca] | 324 | _owl_fmtext_wattrset(w, attr); |
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| 325 | _owl_fmtext_wcolor_set(w, pair); |
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[9866c3a] | 326 | |
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[41c9a96] | 327 | s += end; |
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[9866c3a] | 328 | } |
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| 329 | } |
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| 330 | /* Deal with remaining part of string. */ |
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| 331 | waddstr(w, s); |
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| 332 | p[0] = tmp; |
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| 333 | |
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| 334 | /* Deal with new attributes. Initialize to defaults, then |
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| 335 | process all consecutive formatting characters. */ |
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| 336 | attr = f->default_attrs; |
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| 337 | fg = f->default_fgcolor; |
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| 338 | bg = f->default_bgcolor; |
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[f119757] | 339 | while (owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
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[9866c3a] | 340 | _owl_fmtext_update_attributes(g_utf8_get_char(p), &attr, &fg, &bg); |
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| 341 | p = g_utf8_next_char(p); |
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[7d4fbcd] | 342 | } |
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[9866c3a] | 343 | _owl_fmtext_wattrset(w, attr | f->default_attrs); |
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[16c6cca] | 344 | if (fg == OWL_COLOR_DEFAULT) fg = f->default_fgcolor; |
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| 345 | if (bg == OWL_COLOR_DEFAULT) bg = f->default_bgcolor; |
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| 346 | _owl_fmtext_update_colorpair(fg, bg, &pair); |
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| 347 | _owl_fmtext_wcolor_set(w, pair); |
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| 348 | |
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[9866c3a] | 349 | /* Advance to next non-formatting character. */ |
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| 350 | s = p; |
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| 351 | p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 352 | } |
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| 353 | else { |
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| 354 | p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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[7d4fbcd] | 355 | } |
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| 356 | } |
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[9866c3a] | 357 | if (s) { |
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| 358 | waddstr(w, s); |
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| 359 | } |
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[39cff48] | 360 | wbkgdset(w, 0); |
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[7d4fbcd] | 361 | } |
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| 362 | |
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[075ba92] | 363 | void owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w) |
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[47519e1b] | 364 | { |
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| 365 | _owl_fmtext_curs_waddstr(f, w, owl_global_is_search_active(&g)); |
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| 366 | } |
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| 367 | |
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[075ba92] | 368 | void owl_fmtext_curs_waddstr_without_search(const owl_fmtext *f, WINDOW *w) |
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[47519e1b] | 369 | { |
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| 370 | _owl_fmtext_curs_waddstr(f, w, 0); |
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| 371 | } |
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[7d4fbcd] | 372 | |
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[b2b0773] | 373 | /* start with line 'aline' (where the first line is 0) and print |
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| 374 | * 'lines' number of lines into 'out' |
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| 375 | */ |
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[075ba92] | 376 | int owl_fmtext_truncate_lines(const owl_fmtext *in, int aline, int lines, owl_fmtext *out) |
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[5789230] | 377 | { |
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[e19eb97] | 378 | const char *ptr1, *ptr2; |
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[7d4fbcd] | 379 | int i, offset; |
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| 380 | |
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| 381 | /* find the starting line */ |
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[9866c3a] | 382 | ptr1 = in->textbuff; |
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| 383 | for (i = 0; i < aline; i++) { |
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| 384 | ptr1 = strchr(ptr1, '\n'); |
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| 385 | if (!ptr1) return(-1); |
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| 386 | ptr1++; |
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[7d4fbcd] | 387 | } |
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[9866c3a] | 388 | |
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[7d4fbcd] | 389 | /* ptr1 now holds the starting point */ |
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| 390 | |
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[c55ad84] | 391 | /* copy the default attributes */ |
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| 392 | out->default_attrs = in->default_attrs; |
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| 393 | out->default_fgcolor = in->default_fgcolor; |
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| 394 | out->default_bgcolor = in->default_bgcolor; |
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| 395 | |
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[7d4fbcd] | 396 | /* copy in the next 'lines' lines */ |
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[9866c3a] | 397 | if (lines < 1) return(-1); |
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[7d4fbcd] | 398 | |
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[9866c3a] | 399 | for (i = 0; i < lines; i++) { |
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| 400 | offset = ptr1 - in->textbuff; |
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| 401 | ptr2 = strchr(ptr1, '\n'); |
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[7d4fbcd] | 402 | if (!ptr2) { |
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[9866c3a] | 403 | _owl_fmtext_append_fmtext(out, in, offset, (in->textlen) - 1); |
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[7d4fbcd] | 404 | return(-1); |
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| 405 | } |
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[9866c3a] | 406 | _owl_fmtext_append_fmtext(out, in, offset, (ptr2 - ptr1) + offset); |
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| 407 | ptr1 = ptr2 + 1; |
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[7d4fbcd] | 408 | } |
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| 409 | return(0); |
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| 410 | } |
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| 411 | |
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[b2b0773] | 412 | /* Truncate the message so that each line begins at column 'acol' and |
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| 413 | * ends at 'bcol' or sooner. The first column is number 0. The new |
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[dd6af02] | 414 | * message is placed in 'out'. The message is expected to end in a |
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| 415 | * new line for now. |
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[7b4d90e] | 416 | * |
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| 417 | * NOTE: This needs to be modified to deal with backing up if we find |
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[fb2f9ab] | 418 | * a SPACING COMBINING MARK at the end of a line. If that happens, we |
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| 419 | * should back up to the last non-mark character and stop there. |
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[7b4d90e] | 420 | * |
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| 421 | * NOTE: If a line ends at bcol, we omit the newline. This is so printing |
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| 422 | * to ncurses works. |
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[b2b0773] | 423 | */ |
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[075ba92] | 424 | void owl_fmtext_truncate_cols(const owl_fmtext *in, int acol, int bcol, owl_fmtext *out) |
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[5789230] | 425 | { |
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[e19eb97] | 426 | const char *ptr_s, *ptr_e, *ptr_c, *last; |
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[9866c3a] | 427 | int col, st, padding, chwidth; |
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[7d4fbcd] | 428 | |
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[c55ad84] | 429 | /* copy the default attributes */ |
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| 430 | out->default_attrs = in->default_attrs; |
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| 431 | out->default_fgcolor = in->default_fgcolor; |
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| 432 | out->default_bgcolor = in->default_bgcolor; |
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| 433 | |
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[7d4fbcd] | 434 | last=in->textbuff+in->textlen-1; |
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[28ee32b] | 435 | ptr_s=in->textbuff; |
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[9866c3a] | 436 | while (ptr_s <= last) { |
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[28ee32b] | 437 | ptr_e=strchr(ptr_s, '\n'); |
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| 438 | if (!ptr_e) { |
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[dd6af02] | 439 | /* but this shouldn't happen if we end in a \n */ |
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| 440 | break; |
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[7d4fbcd] | 441 | } |
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| 442 | |
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[9866c3a] | 443 | if (ptr_e == ptr_s) { |
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[7d4fbcd] | 444 | owl_fmtext_append_normal(out, "\n"); |
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[9866c3a] | 445 | ++ptr_s; |
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[7d4fbcd] | 446 | continue; |
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| 447 | } |
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| 448 | |
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[28ee32b] | 449 | col = 0; |
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[9866c3a] | 450 | st = 0; |
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[dd24b6a] | 451 | padding = 0; |
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[47519e1b] | 452 | chwidth = 0; |
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[28ee32b] | 453 | ptr_c = ptr_s; |
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[3a7cf49] | 454 | while(ptr_c < ptr_e) { |
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[28ee32b] | 455 | gunichar c = g_utf8_get_char(ptr_c); |
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[c1522ec] | 456 | if (!owl_fmtext_is_format_char(c)) { |
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[47519e1b] | 457 | chwidth = mk_wcwidth(c); |
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[3a7cf49] | 458 | if (col + chwidth > bcol) break; |
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| 459 | |
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[9866c3a] | 460 | if (col >= acol) { |
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| 461 | if (st == 0) { |
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| 462 | ptr_s = ptr_c; |
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| 463 | padding = col - acol; |
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| 464 | ++st; |
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| 465 | } |
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[dd24b6a] | 466 | } |
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[9866c3a] | 467 | col += chwidth; |
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| 468 | chwidth = 0; |
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[28ee32b] | 469 | } |
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[9866c3a] | 470 | ptr_c = g_utf8_next_char(ptr_c); |
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[dd24b6a] | 471 | } |
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[9866c3a] | 472 | if (st) { |
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| 473 | /* lead padding */ |
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| 474 | owl_fmtext_append_spaces(out, padding); |
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[3a7cf49] | 475 | if (ptr_c == ptr_e) { |
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| 476 | /* We made it to the newline. */ |
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| 477 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff); |
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[9866c3a] | 478 | } |
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[db1af5f] | 479 | else if (chwidth > 1) { |
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| 480 | /* Last char is wide, truncate. */ |
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| 481 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff - 1); |
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| 482 | owl_fmtext_append_normal(out, "\n"); |
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| 483 | } |
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[9866c3a] | 484 | else { |
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[db1af5f] | 485 | /* Last char fits perfectly, We skip to the next char and back |
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| 486 | * up a byte to make sure we get it all. |
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| 487 | */ |
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| 488 | ptr_c = g_utf8_next_char(ptr_c); |
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| 489 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff - 1); |
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[28ee32b] | 490 | } |
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[dd24b6a] | 491 | } |
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| 492 | else { |
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| 493 | owl_fmtext_append_normal(out, "\n"); |
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[28ee32b] | 494 | } |
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[dd6af02] | 495 | ptr_s = g_utf8_next_char(ptr_e); |
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[7d4fbcd] | 496 | } |
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| 497 | } |
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| 498 | |
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[b2b0773] | 499 | /* Return the number of lines in 'f' */ |
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[075ba92] | 500 | int owl_fmtext_num_lines(const owl_fmtext *f) |
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[5789230] | 501 | { |
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[7d4fbcd] | 502 | int lines, i; |
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| 503 | |
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[af2ca19] | 504 | if (f->textlen==0) return(0); |
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| 505 | |
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[7d4fbcd] | 506 | lines=0; |
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[af2ca19] | 507 | for (i=0; i<f->textlen; i++) { |
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[7d4fbcd] | 508 | if (f->textbuff[i]=='\n') lines++; |
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| 509 | } |
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| 510 | |
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| 511 | /* if the last char wasn't a \n there's one more line */ |
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| 512 | if (f->textbuff[i-1]!='\n') lines++; |
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| 513 | |
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| 514 | return(lines); |
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| 515 | } |
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| 516 | |
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[075ba92] | 517 | const char *owl_fmtext_get_text(const owl_fmtext *f) |
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[5789230] | 518 | { |
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[7d4fbcd] | 519 | return(f->textbuff); |
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| 520 | } |
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| 521 | |
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[a0a5179] | 522 | /* set the charater at 'index' to be 'char'. If index is out of |
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[9866c3a] | 523 | * bounds don't do anything. If c or char at index is not ASCII, don't |
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| 524 | * do anything because it's not UTF-8 safe. */ |
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| 525 | void owl_fmtext_set_char(owl_fmtext *f, int index, char ch) |
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[5789230] | 526 | { |
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[4b464a4] | 527 | if ((index < 0) || (index > f->textlen-1)) return; |
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[9866c3a] | 528 | /* NOT ASCII*/ |
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| 529 | if (f->textbuff[index] & 0x80 || ch & 0x80) return; |
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[4b464a4] | 530 | f->textbuff[index]=ch; |
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| 531 | } |
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| 532 | |
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[b2b0773] | 533 | /* Make a copy of the fmtext 'src' into 'dst' */ |
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[075ba92] | 534 | void owl_fmtext_copy(owl_fmtext *dst, const owl_fmtext *src) |
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[5789230] | 535 | { |
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[b2b0773] | 536 | int mallocsize; |
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| 537 | |
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| 538 | if (src->textlen==0) { |
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| 539 | mallocsize=5; |
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| 540 | } else { |
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| 541 | mallocsize=src->textlen+2; |
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| 542 | } |
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[7d4fbcd] | 543 | dst->textlen=src->textlen; |
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[005fc22] | 544 | dst->bufflen=mallocsize; |
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[bd3f232] | 545 | dst->textbuff=owl_malloc(mallocsize); |
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[6bf73ce] | 546 | memcpy(dst->textbuff, src->textbuff, src->textlen+1); |
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[9866c3a] | 547 | dst->default_attrs = src->default_attrs; |
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| 548 | dst->default_fgcolor = src->default_fgcolor; |
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| 549 | dst->default_bgcolor = src->default_bgcolor; |
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[1fd0b25] | 550 | } |
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| 551 | |
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[b2b0773] | 552 | /* return 1 if the string is found, 0 if not. This is a case |
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| 553 | * insensitive search. |
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[5789230] | 554 | */ |
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[89b2daf] | 555 | int owl_fmtext_search(const owl_fmtext *f, const owl_regex *re) |
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[5789230] | 556 | { |
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[41c9a96] | 557 | if (owl_regex_compare(re, f->textbuff, NULL, NULL) == 0) return(1); |
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[1fd0b25] | 558 | return(0); |
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| 559 | } |
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[12c35df] | 560 | |
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| 561 | |
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| 562 | /* Append the text 'text' to 'f' and interpret the zephyr style |
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| 563 | * formatting syntax to set appropriate attributes. |
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| 564 | */ |
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[e19eb97] | 565 | void owl_fmtext_append_ztext(owl_fmtext *f, const char *text) |
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[12c35df] | 566 | { |
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| 567 | int stacksize, curattrs, curcolor; |
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[e19eb97] | 568 | const char *ptr, *txtptr, *tmpptr; |
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[65b2173] | 569 | char *buff; |
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[d754b0a] | 570 | int attrstack[32], chrstack[32], colorstack[32]; |
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[12c35df] | 571 | |
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| 572 | curattrs=OWL_FMTEXT_ATTR_NONE; |
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| 573 | curcolor=OWL_COLOR_DEFAULT; |
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| 574 | stacksize=0; |
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| 575 | txtptr=text; |
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| 576 | while (1) { |
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| 577 | ptr=strpbrk(txtptr, "@{[<()>]}"); |
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| 578 | if (!ptr) { |
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| 579 | /* add all the rest of the text and exit */ |
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[8fa9562] | 580 | owl_fmtext_append_attr(f, txtptr, curattrs, curcolor, OWL_COLOR_DEFAULT); |
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[12c35df] | 581 | return; |
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| 582 | } else if (ptr[0]=='@') { |
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| 583 | /* add the text up to this point then deal with the stack */ |
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| 584 | buff=owl_malloc(ptr-txtptr+20); |
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| 585 | strncpy(buff, txtptr, ptr-txtptr); |
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| 586 | buff[ptr-txtptr]='\0'; |
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[8fa9562] | 587 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
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[12c35df] | 588 | owl_free(buff); |
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| 589 | |
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| 590 | /* update pointer to point at the @ */ |
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| 591 | txtptr=ptr; |
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| 592 | |
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| 593 | /* now the stack */ |
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| 594 | |
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| 595 | /* if we've hit our max stack depth, print the @ and move on */ |
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| 596 | if (stacksize==32) { |
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[1bdffcb] | 597 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
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| 598 | txtptr++; |
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| 599 | continue; |
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[12c35df] | 600 | } |
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| 601 | |
---|
| 602 | /* if it's an @@, print an @ and continue */ |
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| 603 | if (txtptr[1]=='@') { |
---|
[1bdffcb] | 604 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
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| 605 | txtptr+=2; |
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| 606 | continue; |
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[12c35df] | 607 | } |
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[1bdffcb] | 608 | |
---|
[12c35df] | 609 | /* if there's no opener, print the @ and continue */ |
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| 610 | tmpptr=strpbrk(txtptr, "(<[{ "); |
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| 611 | if (!tmpptr || tmpptr[0]==' ') { |
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[1bdffcb] | 612 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
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| 613 | txtptr++; |
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| 614 | continue; |
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[12c35df] | 615 | } |
---|
| 616 | |
---|
| 617 | /* check what command we've got, push it on the stack, start |
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[1bdffcb] | 618 | using it, and continue ... unless it's a color command */ |
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[12c35df] | 619 | buff=owl_malloc(tmpptr-ptr+20); |
---|
| 620 | strncpy(buff, ptr, tmpptr-ptr); |
---|
| 621 | buff[tmpptr-ptr]='\0'; |
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| 622 | if (!strcasecmp(buff, "@bold")) { |
---|
[1bdffcb] | 623 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
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| 624 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 625 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 626 | stacksize++; |
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| 627 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 628 | txtptr+=6; |
---|
| 629 | owl_free(buff); |
---|
| 630 | continue; |
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[12c35df] | 631 | } else if (!strcasecmp(buff, "@b")) { |
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[1bdffcb] | 632 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 633 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 634 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 635 | stacksize++; |
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| 636 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 637 | txtptr+=3; |
---|
| 638 | owl_free(buff); |
---|
| 639 | continue; |
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[12c35df] | 640 | } else if (!strcasecmp(buff, "@i")) { |
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[1bdffcb] | 641 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
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| 642 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 643 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 644 | stacksize++; |
---|
| 645 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 646 | txtptr+=3; |
---|
| 647 | owl_free(buff); |
---|
| 648 | continue; |
---|
[12c35df] | 649 | } else if (!strcasecmp(buff, "@italic")) { |
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[1bdffcb] | 650 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
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| 651 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 652 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 653 | stacksize++; |
---|
| 654 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 655 | txtptr+=8; |
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| 656 | owl_free(buff); |
---|
| 657 | continue; |
---|
[d754b0a] | 658 | } else if (!strcasecmp(buff, "@")) { |
---|
| 659 | attrstack[stacksize]=OWL_FMTEXT_ATTR_NONE; |
---|
| 660 | chrstack[stacksize]=tmpptr[0]; |
---|
| 661 | colorstack[stacksize]=curcolor; |
---|
| 662 | stacksize++; |
---|
| 663 | txtptr+=2; |
---|
| 664 | owl_free(buff); |
---|
| 665 | continue; |
---|
[1bdffcb] | 666 | |
---|
| 667 | /* if it's a color read the color, set the current color and |
---|
[12c35df] | 668 | continue */ |
---|
| 669 | } else if (!strcasecmp(buff, "@color") |
---|
[1bdffcb] | 670 | && owl_global_get_hascolors(&g) |
---|
| 671 | && owl_global_is_colorztext(&g)) { |
---|
| 672 | owl_free(buff); |
---|
| 673 | txtptr+=7; |
---|
| 674 | tmpptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 675 | if (tmpptr && |
---|
| 676 | ((txtptr[-1]=='(' && tmpptr[0]==')') || |
---|
| 677 | (txtptr[-1]=='<' && tmpptr[0]=='>') || |
---|
| 678 | (txtptr[-1]=='[' && tmpptr[0]==']') || |
---|
| 679 | (txtptr[-1]=='{' && tmpptr[0]=='}'))) { |
---|
| 680 | |
---|
| 681 | /* grab the color name */ |
---|
| 682 | buff=owl_malloc(tmpptr-txtptr+20); |
---|
| 683 | strncpy(buff, txtptr, tmpptr-txtptr); |
---|
| 684 | buff[tmpptr-txtptr]='\0'; |
---|
| 685 | |
---|
| 686 | /* set it as the current color */ |
---|
| 687 | curcolor=owl_util_string_to_color(buff); |
---|
[1ee5c79] | 688 | if (curcolor == OWL_COLOR_INVALID) |
---|
| 689 | curcolor = OWL_COLOR_DEFAULT; |
---|
[1bdffcb] | 690 | owl_free(buff); |
---|
| 691 | txtptr=tmpptr+1; |
---|
| 692 | continue; |
---|
| 693 | |
---|
| 694 | } else { |
---|
| 695 | |
---|
| 696 | } |
---|
[12c35df] | 697 | |
---|
| 698 | } else { |
---|
[1bdffcb] | 699 | /* if we didn't understand it, we'll print it. This is different from zwgc |
---|
| 700 | * but zwgc seems to be smarter about some screw cases than I am |
---|
| 701 | */ |
---|
| 702 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 703 | txtptr++; |
---|
| 704 | continue; |
---|
[12c35df] | 705 | } |
---|
| 706 | |
---|
| 707 | } else if (ptr[0]=='}' || ptr[0]==']' || ptr[0]==')' || ptr[0]=='>') { |
---|
| 708 | /* add the text up to this point first */ |
---|
| 709 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 710 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 711 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 712 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 713 | owl_free(buff); |
---|
| 714 | |
---|
| 715 | /* now deal with the closer */ |
---|
| 716 | txtptr=ptr; |
---|
| 717 | |
---|
| 718 | /* first, if the stack is empty we must bail (just print and go) */ |
---|
| 719 | if (stacksize==0) { |
---|
[1bdffcb] | 720 | buff=owl_malloc(5); |
---|
| 721 | buff[0]=ptr[0]; |
---|
| 722 | buff[1]='\0'; |
---|
| 723 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 724 | owl_free(buff); |
---|
| 725 | txtptr++; |
---|
| 726 | continue; |
---|
[12c35df] | 727 | } |
---|
| 728 | |
---|
| 729 | /* if the closing char is what's on the stack, turn off the |
---|
| 730 | attribue and pop the stack */ |
---|
| 731 | if ((ptr[0]==')' && chrstack[stacksize-1]=='(') || |
---|
[1bdffcb] | 732 | (ptr[0]=='>' && chrstack[stacksize-1]=='<') || |
---|
| 733 | (ptr[0]==']' && chrstack[stacksize-1]=='[') || |
---|
| 734 | (ptr[0]=='}' && chrstack[stacksize-1]=='{')) { |
---|
| 735 | int i; |
---|
| 736 | stacksize--; |
---|
| 737 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
[d754b0a] | 738 | curcolor = colorstack[stacksize]; |
---|
[1bdffcb] | 739 | for (i=0; i<stacksize; i++) { |
---|
| 740 | curattrs|=attrstack[i]; |
---|
| 741 | } |
---|
| 742 | txtptr+=1; |
---|
| 743 | continue; |
---|
[12c35df] | 744 | } else { |
---|
[1bdffcb] | 745 | /* otherwise print and continue */ |
---|
| 746 | buff=owl_malloc(5); |
---|
| 747 | buff[0]=ptr[0]; |
---|
| 748 | buff[1]='\0'; |
---|
| 749 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 750 | owl_free(buff); |
---|
| 751 | txtptr++; |
---|
| 752 | continue; |
---|
[12c35df] | 753 | } |
---|
| 754 | } else { |
---|
| 755 | /* we've found an unattached opener, print everything and move on */ |
---|
| 756 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 757 | strncpy(buff, txtptr, ptr-txtptr+1); |
---|
| 758 | buff[ptr-txtptr+1]='\0'; |
---|
[8fa9562] | 759 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 760 | owl_free(buff); |
---|
| 761 | txtptr=ptr+1; |
---|
| 762 | continue; |
---|
| 763 | } |
---|
| 764 | } |
---|
| 765 | } |
---|
[a0a5179] | 766 | |
---|
| 767 | /* requires that the list values are strings or NULL. |
---|
| 768 | * joins the elements together with join_with. |
---|
| 769 | * If format_fn is specified, passes it the list element value |
---|
| 770 | * and it will return a string which this needs to free. */ |
---|
[77bced3] | 771 | void owl_fmtext_append_list(owl_fmtext *f, const owl_list *l, const char *join_with, char *(format_fn)(const char *)) |
---|
[a0a5179] | 772 | { |
---|
| 773 | int i, size; |
---|
[e19eb97] | 774 | const char *elem; |
---|
[a0a5179] | 775 | char *text; |
---|
| 776 | |
---|
| 777 | size = owl_list_get_size(l); |
---|
| 778 | for (i=0; i<size; i++) { |
---|
[4d86e06] | 779 | elem = owl_list_get_element(l,i); |
---|
[a0a5179] | 780 | if (elem && format_fn) { |
---|
| 781 | text = format_fn(elem); |
---|
| 782 | if (text) { |
---|
[1bdffcb] | 783 | owl_fmtext_append_normal(f, text); |
---|
| 784 | owl_free(text); |
---|
[a0a5179] | 785 | } |
---|
| 786 | } else if (elem) { |
---|
| 787 | owl_fmtext_append_normal(f, elem); |
---|
| 788 | } |
---|
| 789 | if ((i < size-1) && join_with) { |
---|
| 790 | owl_fmtext_append_normal(f, join_with); |
---|
| 791 | } |
---|
| 792 | } |
---|
| 793 | } |
---|
| 794 | |
---|
| 795 | /* Free all memory allocated by the object */ |
---|
| 796 | void owl_fmtext_free(owl_fmtext *f) |
---|
| 797 | { |
---|
| 798 | if (f->textbuff) owl_free(f->textbuff); |
---|
[8fa9562] | 799 | } |
---|
| 800 | |
---|
| 801 | /*** Color Pair manager ***/ |
---|
| 802 | void owl_fmtext_init_colorpair_mgr(owl_colorpair_mgr *cpmgr) |
---|
| 803 | { |
---|
[af1920fd] | 804 | /* This could be a bitarray if we wanted to save memory. */ |
---|
[c2c5c77] | 805 | short i, j; |
---|
| 806 | cpmgr->next = 8; |
---|
| 807 | |
---|
[af1920fd] | 808 | /* The test is <= because we allocate COLORS+1 entries. */ |
---|
[c2c5c77] | 809 | cpmgr->pairs = owl_malloc((COLORS+1) * sizeof(short*)); |
---|
| 810 | for(i = 0; i <= COLORS; i++) { |
---|
| 811 | cpmgr->pairs[i] = owl_malloc((COLORS+1) * sizeof(short)); |
---|
| 812 | for(j = 0; j <= COLORS; j++) { |
---|
[8fa9562] | 813 | cpmgr->pairs[i][j] = -1; |
---|
| 814 | } |
---|
| 815 | } |
---|
[fa3290d] | 816 | if (owl_global_get_hascolors(&g)) { |
---|
| 817 | for(i = 0; i < 8; i++) { |
---|
| 818 | short fg, bg; |
---|
| 819 | if (i >= COLORS) continue; |
---|
| 820 | pair_content(i, &fg, &bg); |
---|
| 821 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
| 822 | } |
---|
[c2c5c77] | 823 | } |
---|
[a0a5179] | 824 | } |
---|
| 825 | |
---|
[8fa9562] | 826 | /* Reset used list */ |
---|
[c79a047] | 827 | void owl_fmtext_reset_colorpairs(void) |
---|
[8fa9562] | 828 | { |
---|
[fa3290d] | 829 | if (owl_global_get_hascolors(&g)) { |
---|
| 830 | short i, j; |
---|
| 831 | owl_colorpair_mgr *cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 832 | cpmgr->next = 8; |
---|
| 833 | |
---|
[af1920fd] | 834 | /* The test is <= because we allocated COLORS+1 entries. */ |
---|
[fa3290d] | 835 | for(i = 0; i <= COLORS; i++) { |
---|
| 836 | for(j = 0; j <= COLORS; j++) { |
---|
| 837 | cpmgr->pairs[i][j] = -1; |
---|
| 838 | } |
---|
| 839 | } |
---|
| 840 | for(i = 0; i < 8; i++) { |
---|
| 841 | short fg, bg; |
---|
| 842 | if (i >= COLORS) continue; |
---|
| 843 | pair_content(i, &fg, &bg); |
---|
| 844 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
[eeeef20] | 845 | } |
---|
[c2c5c77] | 846 | } |
---|
[8fa9562] | 847 | } |
---|
| 848 | |
---|
| 849 | /* Assign pairs by request */ |
---|
[1bdffcb] | 850 | short owl_fmtext_get_colorpair(int fg, int bg) |
---|
[8fa9562] | 851 | { |
---|
| 852 | owl_colorpair_mgr *cpmgr; |
---|
[801b7ac] | 853 | short pair, default_bg; |
---|
[1bdffcb] | 854 | |
---|
[1b737a1] | 855 | /* Sanity (Bounds) Check */ |
---|
| 856 | if (fg > COLORS || fg < OWL_COLOR_DEFAULT) fg = OWL_COLOR_DEFAULT; |
---|
| 857 | if (bg > COLORS || bg < OWL_COLOR_DEFAULT) bg = OWL_COLOR_DEFAULT; |
---|
| 858 | |
---|
[1bdffcb] | 859 | #ifdef HAVE_USE_DEFAULT_COLORS |
---|
[8fa9562] | 860 | if (fg == OWL_COLOR_DEFAULT) fg = -1; |
---|
[1bdffcb] | 861 | default_bg = OWL_COLOR_DEFAULT; |
---|
| 862 | #else |
---|
| 863 | if (fg == OWL_COLOR_DEFAULT) fg = 0; |
---|
| 864 | if (bg == OWL_COLOR_DEFAULT) bg = 0; |
---|
| 865 | default_bg = COLOR_BLACK; |
---|
| 866 | #endif |
---|
| 867 | |
---|
[af1920fd] | 868 | /* looking for a pair we already set up for this draw. */ |
---|
[c2c5c77] | 869 | cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 870 | pair = cpmgr->pairs[fg+1][bg+1]; |
---|
| 871 | if (!(pair != -1 && pair < cpmgr->next)) { |
---|
[af1920fd] | 872 | /* If we didn't find a pair, search for a free one to assign. */ |
---|
[c2c5c77] | 873 | pair = (cpmgr->next < COLOR_PAIRS) ? cpmgr->next : -1; |
---|
| 874 | if (pair != -1) { |
---|
[af1920fd] | 875 | /* We found a free pair, initialize it. */ |
---|
[c2c5c77] | 876 | init_pair(pair, fg, bg); |
---|
| 877 | cpmgr->pairs[fg+1][bg+1] = pair; |
---|
| 878 | cpmgr->next++; |
---|
| 879 | } |
---|
| 880 | else if (bg != OWL_COLOR_DEFAULT) { |
---|
[af1920fd] | 881 | /* We still don't have a pair, drop the background color. Too bad. */ |
---|
[c2c5c77] | 882 | owl_function_debugmsg("colorpairs: color shortage - dropping background color."); |
---|
| 883 | pair = owl_fmtext_get_colorpair(fg, OWL_COLOR_DEFAULT); |
---|
| 884 | } |
---|
| 885 | else { |
---|
[af1920fd] | 886 | /* We still don't have a pair, defaults all around. */ |
---|
[c2c5c77] | 887 | owl_function_debugmsg("colorpairs: color shortage - dropping foreground and background color."); |
---|
| 888 | pair = 0; |
---|
[8fa9562] | 889 | } |
---|
| 890 | } |
---|
| 891 | return pair; |
---|
| 892 | } |
---|